1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // ============================================================================= 6 // PLEASE READ 7 // 8 // In general, you should not be adding stuff to this file. 9 // 10 // - If your thing is only used in one place, just put it in a reasonable 11 // location in or near that one place. It's nice you want people to be able 12 // to re-use your function, but realistically, if it hasn't been necessary 13 // before after so many years of development, it's probably not going to be 14 // used in other places in the future unless you know of them now. 15 // 16 // - If your thing is used by multiple callers and is UI-related, it should 17 // probably be in app/win/ instead. Try to put it in the most specific file 18 // possible (avoiding the *_util files when practical). 19 // 20 // ============================================================================= 21 22 #ifndef BASE_WIN_WIN_UTIL_H_ 23 #define BASE_WIN_WIN_UTIL_H_ 24 25 #include <windows.h> 26 27 #include <string> 28 29 #include "base/base_export.h" 30 #include "base/strings/string16.h" 31 32 struct IPropertyStore; 33 struct _tagpropertykey; 34 typedef _tagpropertykey PROPERTYKEY; 35 36 namespace base { 37 namespace win { 38 39 BASE_EXPORT void GetNonClientMetrics(NONCLIENTMETRICS* metrics); 40 41 // Returns the string representing the current user sid. 42 BASE_EXPORT bool GetUserSidString(std::wstring* user_sid); 43 44 // Returns true if the shift key is currently pressed. 45 BASE_EXPORT bool IsShiftPressed(); 46 47 // Returns true if the ctrl key is currently pressed. 48 BASE_EXPORT bool IsCtrlPressed(); 49 50 // Returns true if the alt key is currently pressed. 51 BASE_EXPORT bool IsAltPressed(); 52 53 // Returns true if the altgr key is currently pressed. 54 // Windows does not have specific key code and modifier bit and Alt+Ctrl key is 55 // used as AltGr key in Windows. 56 BASE_EXPORT bool IsAltGrPressed(); 57 58 // Returns false if user account control (UAC) has been disabled with the 59 // EnableLUA registry flag. Returns true if user account control is enabled. 60 // NOTE: The EnableLUA registry flag, which is ignored on Windows XP 61 // machines, might still exist and be set to 0 (UAC disabled), in which case 62 // this function will return false. You should therefore check this flag only 63 // if the OS is Vista or later. 64 BASE_EXPORT bool UserAccountControlIsEnabled(); 65 66 // Sets the boolean value for a given key in given IPropertyStore. 67 BASE_EXPORT bool SetBooleanValueForPropertyStore( 68 IPropertyStore* property_store, 69 const PROPERTYKEY& property_key, 70 bool property_bool_value); 71 72 // Sets the string value for a given key in given IPropertyStore. 73 BASE_EXPORT bool SetStringValueForPropertyStore( 74 IPropertyStore* property_store, 75 const PROPERTYKEY& property_key, 76 const wchar_t* property_string_value); 77 78 // Sets the application id in given IPropertyStore. The function is intended 79 // for tagging application/chromium shortcut, browser window and jump list for 80 // Win7. 81 BASE_EXPORT bool SetAppIdForPropertyStore(IPropertyStore* property_store, 82 const wchar_t* app_id); 83 84 // Adds the specified |command| using the specified |name| to the AutoRun key. 85 // |root_key| could be HKCU or HKLM or the root of any user hive. 86 BASE_EXPORT bool AddCommandToAutoRun(HKEY root_key, const string16& name, 87 const string16& command); 88 // Removes the command specified by |name| from the AutoRun key. |root_key| 89 // could be HKCU or HKLM or the root of any user hive. 90 BASE_EXPORT bool RemoveCommandFromAutoRun(HKEY root_key, const string16& name); 91 92 // Reads the command specified by |name| from the AutoRun key. |root_key| 93 // could be HKCU or HKLM or the root of any user hive. Used for unit-tests. 94 BASE_EXPORT bool ReadCommandFromAutoRun(HKEY root_key, 95 const string16& name, 96 string16* command); 97 98 // Sets whether to crash the process during exit. This is inspected by DLLMain 99 // and used to intercept unexpected terminations of the process (via calls to 100 // exit(), abort(), _exit(), ExitProcess()) and convert them into crashes. 101 // Note that not all mechanisms for terminating the process are covered by 102 // this. In particular, TerminateProcess() is not caught. 103 BASE_EXPORT void SetShouldCrashOnProcessDetach(bool crash); 104 BASE_EXPORT bool ShouldCrashOnProcessDetach(); 105 106 // Adjusts the abort behavior so that crash reports can be generated when the 107 // process is aborted. 108 BASE_EXPORT void SetAbortBehaviorForCrashReporting(); 109 110 // A tablet is a device that is touch enabled and also is being used 111 // "like a tablet". This is used primarily for metrics in order to gain some 112 // insight into how users use Chrome. 113 BASE_EXPORT bool IsTabletDevice(); 114 115 // Get the size of a struct up to and including the specified member. 116 // This is necessary to set compatible struct sizes for different versions 117 // of certain Windows APIs (e.g. SystemParametersInfo). 118 #define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(struct_name, member) \ 119 offsetof(struct_name, member) + \ 120 (sizeof static_cast<struct_name*>(NULL)->member) 121 122 // Displays the on screen keyboard on Windows 8 and above. Returns true on 123 // success. 124 BASE_EXPORT bool DisplayVirtualKeyboard(); 125 126 // Dismisses the on screen keyboard if it is being displayed on Windows 8 and. 127 // above. Returns true on success. 128 BASE_EXPORT bool DismissVirtualKeyboard(); 129 130 // Returns true if the machine is enrolled to a domain. 131 BASE_EXPORT bool IsEnrolledToDomain(); 132 133 // Used by tests to mock any wanted state. Call with |state| set to true to 134 // simulate being in a domain and false otherwise. 135 BASE_EXPORT void SetDomainStateForTesting(bool state); 136 137 // Returns true if the current operating system has support for SHA-256 138 // certificates. As its name indicates, this function provides a best-effort 139 // answer, which is solely based on comparing version numbers. The function 140 // may be re-implemented in the future to return a reliable value, based on 141 // run-time detection of this capability. 142 BASE_EXPORT bool MaybeHasSHA256Support(); 143 144 } // namespace win 145 } // namespace base 146 147 #endif // BASE_WIN_WIN_UTIL_H_ 148
